Now
MAIN commitmail json YAML
Support for vnode operation versioning. Allow a new keyword "VERSION"
in the description so "VERSION 2" will change the name of the argument
from vop_XXX_args to vop_XXX_v2_args.
in the description so "VERSION 2" will change the name of the argument
from vop_XXX_args to vop_XXX_v2_args.